A LOFAR sonobuoy primarily is used for which purpose?

A LOFAR (Low Frequency Analysis and Recording) sonobuoy is specifically designed for detecting and localizing underwater noise, such as sounds produced by submarines or other marine life. This type of sonobuoy operates by using hydrophones to capture low-frequency sounds which can then be analyzed to determine the location and activity of targets beneath the surface of the water. Its effectiveness in detecting underwater noise is particularly valuable in anti-submarine warfare operations, as it can provide crucial information about enemy submarines.

In contrast, while other technology may be employed for subsurface temperature measurements, surface vessel detection, or communication tasks, those functions are not the primary purpose of a LOFAR sonobuoy. This distinction underscores the specialized nature of the LOFAR sonobuoy in marine acoustic surveillance, making it an essential tool in naval operations focusing on underwater threats.